Nov14-12, 02:03 PM
So imangine a potential well that looks like this: --_--
where the 1st and the third line have a potential U and the 2nd line has U=0.
A wavefunction is coming from the left with E>U.
When the wave function hits the first potential change(where the ΔU = negative), does some of the wavefunction get reflected back? In other words, can a wavefunction that faces a negative change in potential get reflected back?
(and if so, can a wavefunction that faces no change in potential get reflected? I feel like if a wavefunction has a chance getting reflected off a negative potential, then it would have a higher chance getting reflected off no change in potential... but this does not seem right)
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